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David Moulton Thompson
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7556. Thompson, D. M. March 29. Steam-generator furnaces.-The improvements are shown applied to a vertical boiler with an auxiliary water tube, but they are not confined thereto. Two furnaces fired alternately are connected at the back by the chamber A<6>, and at the front have openings into the combustion chamber A<9>, which are closed alternately by the door A<8>. Thus combustion is completed before the gases enter the vertical boiler tubes. In a modification, the furnaces are on a higher level than the lower tubeplate of the boiler, the gases passing to the space below the tube-plate from the combustion chamber by a drop-down flue. The furnaces, combustion chamber, &c. are surrounded by a cellular casing in which the feedwater is heated.
GB189807556D1898-03-291898-03-29Improvements in Steam Generators.
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